DCT变换用于JPEG压缩编码的实验，实验目的:掌握DCT变换的基本运算和JPEG编码的基本过程-DCT transform coding for the JPEG compression experiments Objective: To master the basic computing DCT transform coding and JPEG basic process

openCV + VS2008 实现的基本的图像处理运算，如线性运算、梯度运算、模板运算和图像旋转等-the openCV+ VS2008 achieve the basic image processing operations, such as linear operation, the gradient operator, template operations and image rotation

表达式求值，能实现计算器的基本运算，表达式的转换。-Expression uation, to achieve basic computing calculator, expression of the conversion.